10.. track down 跟踪,追捕 e.g: The police tracked down the criminal to his hiding place by the blood marks he left behind 警方根据罪犯留下的血迹追踪到了他的藏身之地。 相关的表达还有: make tracks匆匆离去,逃跑。 11 secono d thought (S) 重新考虑 e.g: I said I wouldn't do it, but on second thoughts I think I will. E 说过 我不会做那件事。但是重新考虑的话我想我会做的。 A cautious person tends to have second thoughts his before he acts 个行事谨慎的人习惯于在行动之前重新考虑一下 组成的词组有: torave secondthroughts; Unrsecomd thoughts)。10.．track down 跟踪，追捕 e.g: The police tracked down the criminal to his hiding place by the blood marks he left behind. 警方根据罪犯留下的血迹追踪到了他的藏身之地。 相关的表达还有：make tracks匆匆离去，逃跑。 11．second thought（s） 重新考虑 e.g: I said I wouldn’t do it，but on second thoughts I think I will．我 说过 我不会做那件事。但是重新考虑的话我想我会做的。 A cautiousperson tends to have second thoughts his before he acts． 一个行事谨慎的人习惯于在行动之前重新考虑一下。 组成的词组有： to have second thoughts； on second thought( s)