for a moment 片刻,一会儿 He might have popped in for a moment,since he was passing this way. 既然他从这里经过,说不定他会突然来呆一会儿的. at the moment 此刻,现在,目前 The police arrived right at the moment of the explosion. 警察就在爆炸的那个时候赶到了. I was writing a letter at the moment when he came in. 他进来时我正在写信. in a moment 一会儿,立刻,马上 I really must be getting home in a moment. 我真的必须立即回家. It was all over in a few moments. 不一会儿就都完了.
