1.as dry as a bone：十分干燥；干透了；如风化的骨头
Eg .After four months with no rain, even the riverbed became as dry as a bone.
由于4个月没下雨，连河床都干涸了。 2.be short of：缺乏，短缺
Eg .Hilary went to the bank because she was short of money.
希拉里上银行取钱，因为她缺钱用。 3.look out of：从......向外看
Eg .He got out of bed and went to look out of the window.
他从床上爬起来向窗外望去。
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