1 to look in or at sth carefully, especially in order to find sth 仔细检查（尤指想找到某物）: I went through all my pockets but I couldn't find my wallet. 我所有口袋都找过了，始终找不着我的皮夹子。

2 to look at, think about or discuss sth carefully from beginning to end 从头到尾仔细看、考虑或讨论一次: We'll start the lesson by going through your homework. 上这一课前，我们先检查一下家庭作业。

3 to have an unpleasant experience 经历不快的事: I'd hate to go through such a terrible ordeal again. 我不想再受这种苦难。