不得不尔

Explanation: Be: energy; Seoul: so. Had to do 　　Usage: Verb-object type; for the predicate; containing derogatory 　　Source: Jin Chenshou "Three Kingdoms Wei Zhi Sima Zhi Biography": "This Code of various agricultural, the words 'left by the monk total number of fields, class of its force, the potential had to Seoul.'" 　　Examples: This is the tide wait for onslaught, ~. ★ Qing Wu Jingzi "Scholars" Forty-sixth back Thesaurus:  have no choice but how