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figure out弄明白，理解
例句：I just can't figure him out.
我简直摸不透他。
I can't figure out what he was hinting at.
我想不出他在暗示什么。
2.Authorities said all of them have been accounted for; nobody was hurt.
account for说明〔解释〕…原因，证明
例句：His illness accounts for his absence.
他因为生病, 所以才缺席。
Two things account for its occurrence.
发生这件事的原因有两个。
3.Government officials said that they're prepared to respond to any potential environmental problems that might come up.
come up发生
例句：I expect something to come up soon.
我预料很快就要出事的。
