undue strain

基本解释

Exercise gently can avoid putting yourself under undue strain.
轻微运动会避免造成不适当的拉伤。
Isolating the lower body while pedaling might feel like a great exercise for the quadriceps, but it can place undue strain on the knees and spine.
站在踏板上作上下蹲的动作，看起来好像对锻炼大腿四头肌特别有效，其实它对膝盖和腰椎都有伤害。
blog.sina.com.cn
The future wizard of One Infinite Loop dropped out of Reed College after just six months because of the undue financial strain it placed on his working-class parents' savings.
由于工薪阶层的父母无力承担学费，这个无限循环街1号（苹果公司总部所在地——译者注）的奇才进入里德大学六个月后便退学。

Consequently, the proposed strategy would not cause undue strain on the international financial system.
CENTERFORSECURITYPOLICY: Center for Security Policy Doomsday Scenario: Aspin Nomination Sets Stage For Dellums Chairmanship, Grim Tidings For Defense Community
Resting too much weight on the upper body and forcing riders into a hunched position may be more aerodynamic, but it also puts undue strain on the human body.
ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt