不避艰险

不怕艰难险阻。晋代陈寿《三国志·蜀志·关羽传》：“随先主周旋，不避艰险。”

不避艰险bù bì jiān xiǎn

brave hardships and dangers; make light of difficulties and dangers; not evade difficulty and dangers;shrink (/flinch) from no difficulty or danger; shun (/fear) no difficulty or danger
❍ 他总是～，不畏强暴，……战胜敌人，出色地完成任务。(《敬爱的周总理我们永远怀念您》Ⅰ—6) He never evaded difficulty and danger or feared brute force，…but triumphed over the enemy and success fully carried out his missions.
❍ 他英勇对敌，～，赴汤蹈火，在所不辞。(《敬爱的周总理我们永远怀念您》 Ⅰ—2) …he faced the enemy valiantly,shunned no difficulty or danger,and would not have hesitated to lay down his life for it.

不避艰险bùbì-jiānxiǎn

〔述宾〕 不怕艰难险阻。《三国志·蜀书·关羽传》：“随先主（指刘备）周旋，～。”
△ 多用于勇敢做事方面。