要: important; essential当心: in the middle; in the centre ...花钱要当心: being careful with your spending过马路时要当心: be careful when you cross the road你说话做事都要当心: you must be careful as to what you say or do当心: 1.(正中间) in the middle; in the centre2.(小心, 留神) take care; be careful; look out 当心碰脑袋! mind your head. 当心有车! look out! mind the car. 当心别把试管打碎了。 take care not to break the test tube! 当心路滑。 watch your step.the road is slippery. 当心别踩了庄稼。 be careful not to step on the crops必要当事人: necessary parties不要当真: don't take it seriously好男要当兵: good guy must be a soldier我要当何处: to where i want to be我要当艺人: i wish to pursue a career in entertainment as an artiste不当心: non attention赤当心: red color matches the heart当心, 警惕: keep an eye out for当心,堤防: look out当心,警惕: keean eye out当心,小心: look out当心,注意: take care; takecare当心,谨慎: take care当心,留神: heads up当心,提防: watch out当心;指望: look to当心的: memor=mindful留神,当心: look out小心,当心: take care