C1 · Grammar reference · JZG0023
Taking precautions with 以防
以防 introduces an undesirable event that a precaution is intended to prevent. The preventive action normally comes first, followed by 以防 and the risk.
- Keywords
- 以防 · 防止 · 以免 · in case
- Used for
- Explaining precautions · Warning about risks · Formal instructions
- Classification
- Conjunctions · Purpose clauses · HSK7-9
Examples (3)
请保存一份副本，以防文件丢失。
出门前检查门窗，以防雨水进入。
我们提前订了座位，以防到时没有空位。
Further resources
Learn from another explanation
No editorial pick yet for this exact pattern.
Editorial picks are checked for a close topic match. Search results and external content belong to their publishers and may change.
The explanation and sentence examples on this page were written for Jùzi. The external reference was used to verify the topic and is not reproduced here.
Related points