dig at

• • 挖苦，讽刺，嘲讽，讥刺，嘲笑，对…进行冷嘲热讽：

    Stop digging at him!

    别挖苦他了!

    She was obviously digging at him.

    她显然是在挖苦他。

  • [口语]钻研；苦学；苦干：

    They are digging at physics.

    他们在钻研物理学。