一张一弛 (一張一弛) yī zhāng yī shǐ

yī zhāng yī shǐ set phrase alternately tightening and relaxing; tightening and relaxing as appropriate
Domain: Idiom 成语
Notes: (Guoyu '一張一弛'; Mathews 1931 '一張一弛', p. 20)

Word is mentioned most frequently in

Truncated for common words