| 失恋 be disappointed in a love af... |
| 失悔 regret |
| 失意 be dejected |
| 失慎 not cautious |
| 失手 have a slip of the hand |
| 失掉 lose |
| 失掉信心 lose confidence miss |
| 失掉战机 fail to grasp a good opportu... |
| 失掉机会 miss a chance |
| 失掉权力 be stripped of power |
| 失掉民心 lose popular support |
| 失掉联系 lose contact with |
| 失控 out of control |
| 失措 lose one's presence of mind |
| 失效 lose efficacy |
| 失效保险 fail-safe |
| 失效准则 failure criteria |
| 失效提单 stale bill of lading |
| 失效支票 stale check |
| 失效检验 failure detection |
| 失效率 failure rate |
| 失效率鉴定 failure rate qualification |
| 失效率预计 failure rate prediction |
| 失散 be separated from and lose t... |
| 失敬 Sorry I didn't recognize you... |
