Phrase
in case
/ɪn ˈkeɪs/
adverb
以防万一；以备不时之需
if there happens to be need; just in case
- 1.
if there happens to be need
如有需要
如有需要
In use
Take an umbrella with you in case it rains.
I bought extra food in case more guests show up.
She always carries a power bank in case her phone dies.
in case + clause
从句用一般现在时表示将来。
Take an umbrella in case it rains.
带把伞，以防下雨。
in case of + noun
一般用于正式警告或说明。
In case of emergency, break the glass.
如遇紧急情况，请打碎玻璃。
just in case
用于句末，表示预防性的准备。
I'll bring some extra money just in case.
我会多带些钱，以防万一。
Common mistakes
I'll call you in case that I need help.I'll call you in case I need help.
在in case后不应加that，直接接从句。
I'll bring an umbrella in case it will rain.I'll bring an umbrella in case it rains.
在in case引导的条件从句中，使用一般现在时表示将来，不用will。
Connections
Learner notes
Grammar Note
常用于引导条件状语从句，表示预防措施；可置于句首或从句前。
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.