1、白吃白喝
... 穷途末路 on one's last leg 白吃白喝 freeload 自讨无趣 cut off one's nose to spit one's face ...
2、吃白食
...wheedle(以甜言蜜语)诱惑...freeload吃白食take拿 ...
3、空载性能
... 额定电压voltage 空载性能freeload 最大效率--ax.efficiency ...
4、占便宜
... On the house 老板买单（完全免费） No such thing as a free lunch 世界上没有免费的午餐 Freeload 白吃白喝，占便宜 ...
to freeload吃白食
freeload off of someone要某人请客
to freeload for food蹭吃
i wouldn't freeload我可不愿意白吃白喝别人
I don't like to freeload不喜欢被请