turn to(prep.)/turn to(adv.)

句(1)中 turn to 的意思是:“向……求助”“转向……”,其中的 to 是个介词,必须跟有宾语:

1. The child turned to its mother for comfort. (ALD) 孩子找妈妈求安慰。

2. She had no one to turn to for advice. (Wood) 她没有一个人可征求忠告。

3. One can always turn to music for comfort. (LDPV) 一个人总是可以从音乐中寻求到安慰。

4. Turn to me a little more, I can't see your eyes in the shadow. (同上) 你再向我转过来一点儿，在阴影里我看不见你的眼睛。

句(2)中的 turn to 意为:“开始工作”,“干起来”,其中的 to 是副词:

1. Mary turned to and studied for the test. (DAI) 玛丽开始加劲准备考试。

2. Let's all turn to, and get the job finished before dark. (LDPV) 让我们加劲干, 天黑前把活干完。

3. There was nothing for it but to shift the load by hand, so everyone turned to with a will. (ODCIE) 除了人工搬运货物之外再没有别的办法，所以大家都起劲地干起来了。