风餐露宿的意思是什么?呻吟的意思是什么?有志者事竟成的意思是什么?

◎ 风餐露宿 fēngcān-lùsù
[eat in the wind and sleep in the dew—endure the hardships of an arduous journey or fieldwork;go through the hardships of living in the open] 形容旅途或野外生活的艰苦
◎ 呻吟 shēnyín
(1) [groan;moan]∶指因痛苦而发出的声音
无病呻吟
(2) [sigh]∶发出像叹气的声音
风在树梢中呻吟
◎ 有志者事竟成 yǒuzhìzhě shì jìng chéng
[where there’s a will there’s a way;A willful man will have his way] 只要有决心有毅力,任何难题最终都会迎刃而解