他是一名左撇子，用左手打网球比右手更顺手。

He is ___left-handed and plays tennis more naturally with his left hand.

这家店专门出售适合左撇子使用的左手鼠标。

This store specializes in selling ___left-handed mice designed for left-handed users.

她笨拙地尝试打开罐子，结果把盖子弄变形了。

Her ___left-handed attempt to open the jar ended up bending the lid.

他看似称赞的别扭评论实际上是在贬低我的工作。

His seemingly complimentary ___left-handed remark was actually belittling my work.