The dry fruit of certain trees, as the oak, hazel, hickory, beech, etc. consisting of a kernel, or seed, enclosed in a hard, woody, or leathery shell.

坚果(如橡、榛、胡桃、椈等树之果实)。

The kernel itself.

坚果之仁。

A perforated block, usually of metal, having an internal screw thread, as for securing or adjusting a bolt.

螺钉帽；螺帽。

A problem; also, a person or thing hard to deal with or outwit.

难题；难处之人；难事。

Enthusiast.

热心者；狂热者。

Queer or foolish person.

呆子；怪人。

Insane person.

疯子。

Head.

【俚】头。

Net expenses of a production or show.

演出费用。

In stringed instruments, ridge supporting the strings at the upper end of the finger board.

【乐】弦枕。

To seek nuts.

拾坚果；采坚果。