sink or swim
（完全靠个人努力决定） 成功与否，自己去闯; 不论成败、孤注一掷
ph.
1. He was left by his family to sink or swim by himself.
他遭家人遗弃，一切得靠自己。
1. 沉浮：指导教师是否为实习教师提供教学专业知识方面、班级管理技巧方面以及情感方面的支援,还是任由实习教师的沉浮(sink or swim)都将对实习教师的专业社会化起到推力或阻力的作用.
2. 听任沉浮,不论好歹：now or never 勿失良机,机不可失 | sink or swim 听任沉浮,不论好歹 | near and dear 极亲密的
3. 不论成败：put to the sword 屠杀 | sink or swim 不论成败 | a windbag 满嘴空话的人
4.
4. 孤注一掷：Simple diet, healthy children. 粗茶淡饭,孩子健康 | sink or swim 孤注一掷 | Sit above the salt 坐上席,受尊敬