潜入 qiánrù to submerge
to submerge; to infiltrate; to steal into
How to remember 潜入: 潜 to hide + 入 enter = to submerge.
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How it is used
- To slip in stealthily or dive under - 潜入敌营 (qiánrù díyíng) to infiltrate the enemy camp; 潜入水底 to dive to the bottom.
- Two flavors: covert infiltration, and physically submerging.
- Contrast 闯入 (chuǎngrù, to barge in) - 潜入 is quiet and secret, 闯入 is forceful and open.