1. 尝试;努力：have a headache (患)头痛 | have a try 尝试;努力 | have a look 看一看

2. 努力,尝试：386. have a test 测验 | 387. have a try 努力,尝试 | 388. have a walk 散步

3. 试一下：1. 做披萨 make a pizza | 2. 尝起来很浓 taste strong | 3. 试一下 have a try