[译] 张老师对他的教学工作显示出很大的热忱。
[误] Mr Zhang shows a great zeal in his teaching job.

[正] Mr Zhang shows great zeal for his teaching job.
[注] 表示“对……显示出极大的热忱”，应该说 show great zeal for…因为 zeal 是不可数名词，所以前面不能加不定冠词 a; 同时，与其搭配的介词应该用 for, 而不是 in。