wimp out

基本解释

These parents don’t wimp out when there’s a tough issue to face.
当发生严肃的问题时，他们的父母也一定不会懦弱。
Second, if you make an appointment to meet that person for your walk (or run), you’re more likely to stick to the appointment rather than wimp out.
其次，如果在你步行（或是跑步）时约他人，你会更有可能坚持住，而不会中途放弃。
Cook on a coal-fired range, bathe in a fireside hip bath, and use an outside earth closet (though you can wimp out and use the modern bathroom if you must).
你会在使用煤球的灶具上做饭，在火炉旁的坐式浴盆里洗澡，并且能把室外的广阔天地当作你的衣柜（当然如果你实在适应不了也可以使用我们提供的现代化洗浴间）。

And whereas Wi-Fi signals wimp out after 100 yards or less, the White Space signals could travel for miles.
FORBES: Why Google and Microsoft Are Competing for the Airwaves (And What It Says About Opportunity)