... 他毫不费力地举起了这块大石头 he lifted the big rock without effort 不费力操作effortless operation 不费力的 easy; lightly; toilless ...
双语例句
1
Easy to use: Simple installation and effortlessoperation.
易于使用：安装简单，操作省力。
2
That's why video surveillance is a great security tool for dry cleaners - it allows for effortless security and lets you keep your dry cleaning operation as hassle-free as possible.