in case
1.假使
In case she comes back,let me know immediately.
假使她回來了,立刻告訴我.
2.免得
Take the raincoat in case it rains.
帶著雨衣,以防下雨.
in any case
1.無論如何
In any case,book the tickets first.
無論如何先把票訂好.
in no case
無論如何不,決不
In no case should the temperature of the store room be over 20℃.
儲藏室的溫度決不可高于20℃.
In no case have I noticed that he left early.
我根本沒有注意到他早退了