s stunned or confused and slow to react (as from blows or drunkenness or exhaustion)
a. 酒醉的, 东歪西倒的, 摇摇晃晃的
1. I felt groggy after waking up too early this morning.
今天早上起得太早，我感到很昏沉。
2. She was still groggy when she arrived at work.
她到达工作时仍然有些迷糊。
3. A cup of coffee helped me shake off my groggy feeling.
一杯咖啡帮我摆脱了昏沉的感觉。