"negligence in performance of legal dute," 1570s, earlier simply "slackness, negligence, want of zeal" (late 14c.), from Anglo-French laches, Old French lachesse, from Old French lasche (Modern French lâche), verbal adjective from lascher, from Vulgar Latin *lascare, classical laxare, from laxus (see loose). Compare riches.
实用例句
1. Sale job is admittedly main, but service routine more not allow laches.
营销工作固然重要, 但服务工作更不容懈怠.
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2. The plaintiff's right to set aside the deed is barred by laches.
