～てはいけないから… is a combination of two grammar points ～てはいけない (must not) and ～から (because) and it means “in order to avoid ～.”
打
Today’s #kanji is 打, which is listed under its semantic element of #てへん（扌）. Its phonetic element is 丁, though 打 and 丁 don’t quite share a sound.
～てしょうがない
～てしょうがない is similar to ～てならない and is used when you have such a strong feeling or when a situation is so compelling that and cannot help but doing/feeling ～.
～てからでないと
～てからでないと states an important condition that needs to be fulfilled before the action/condition stated in the second part of the sentence to occur.
折
Today’s #kanji is 折, which is listed under the radical of #てへん（扌）. 折’s original form, 㪿, is a compound ideograph. Check the details here.
～ねばならぬ
～ねばならぬ is an archaic way of saying ～なければならない/～なければいけない/～ないといけない/～なくちゃ/～なきゃ. It expresses an obligation (“must” or “have to”).
～てならない
～てならない is used when you cannot help doing something because you have such a strong feeling or the situation is so compelling.
払
Today’s #kanji is 払, which is listed under its semantic element of #てへん（扌）. 払’s original form is 拂 and 弗 is 払’s phonetic element.
～ている場合じゃない
～ている場合じゃない is used when you want to urge somebody else (or yourself) to stop doing ～ (and to start doing something else). “It’s not the time to be doing ～.”
～っけ？
っけ？ is a very casual way of asking a question to confirm something you vaguely remember. It is rare to use it in a written passage.
閉
Today’s #kanji is 閉, which is listed under the radical of #もんがまえ（門）. 閉 is apparently a pictograph depicting a gate being locked.
～だらけ
～だらけ is usually used in a negative concept meaning “full of something unwanted” or “covered with something undesirable.” Check the usage here.
～てたまらない
たまらない is used to describe something that is unbearable or irresistible. It is very often used with the てform of an adjective.
関
Today’s #kanji is 関, which is listed under its semantic element of #もんがまえ（門）. 関 used to be written as 關 and what is written inside is the phonetic element.
Question words + も
Adding か after a question word makes it an indefinite pronoun like “some…”. Adding も makes it “any…” but you need to be careful combining with a particle.
Question words + か
If you add か after question words, いつ、どこ、だれ、なに、なぜ、どう, いつか、どこか、だれか、なにか、なぜか、どうか become an indefinite pronoun, sometime, somewhere, someone, etc.
積
Today’s #kanji is 積, which is listed under its semantic element of #のぎへん（禾）. Its phonetic element is 責. There are 2 x 2 ways of reading it.
～てすむ/～ですむ
すむ（済む） has a few meanings but if it is used after a てform verb/adjective or a noun + で, ～て/で すむ means “to be settled with/by ～” or “～ is enough to…”
～-aれる/～られる (passive)
～-aれる/～られる is the passive form of a verb which is like “I was laughed at.” Japanese passive is quite different of that in English. Read the explanation here.
種
Today’s #kanji is 種, which is listed under its semantic element of #のぎへん（禾）, Its phonetic element is 重 although 種 and 重 don’t exactly share a sound.
