ズボンのチャックが閉まらなくなっちゃった。どうしよう。

trousers; pants

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

chuck (device for holding a workpiece in a lathe or a tool in a drill); fastener; zipper

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to be shut; to close; to be closed; to be firm (of a body, face, etc.); to be well-knit; to be locked; to tighten; to be tightened; to become sober; to become tense

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...

how; in what way; how about

to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to