make or become straight
把… 弄直，（使）挺直，（使）平正；（使）变直
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[with obj.]
she helped him straighten his tie 她帮他把领带弄整齐
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[no obj.]
where the river straightened he took his chance to check the barometer .在河道变直处他抓住机会看了一下气压计。
[with obj.]make tidy or put in order again
整理，清理
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he sat down at his desk, straightening his things that Lee had moved 他坐在书桌旁把李动过的东西重新整理好
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they are asking for help in straightening out their lives .他们请求帮助，以理顺生活。
[no obj.]stand or sit erect after bending
站直；坐直
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he straightened up ,using the bedside table for support .他支撑着床头柜直起了身子。
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（车，船，飞机）不再转弯而直线行进。
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straightenv.把… 弄直；挺直；平正；变直；整理；清理；站直；坐直；不再转弯而直线行进
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straightadj.直的；笔直的；平正的；笔挺的；端正的；对称的；坦率的；率直的；诚实的；正直的；连续的；没有稀释的；纯的；严肃的；用传统方法的
