ph.

1. I couldn't get to sleep last night.
昨晚我睡不着。

1. (常用于否定句)入睡,睡着：905. go to sleep入睡,睡着 | 906. get to sleep(常用于否定句)入睡,睡着 | 907. slow down (使)慢下来

2. 睡觉：get to 找到;到达,赶到 | get to sleep 睡觉 | get to someone 让某人很烦

3. 入睡：read a newspaper 看一份报纸 | get to sleep 入睡 | fall asleep 入睡;睡着