高手 (gāoshǒu) expert/master

Usage:

“高手”指的是在某方面技能很突出或者很专业的人。
“高手(gāoshǒu)”are those who excel at doing certain things or are professional in one specific field.

Sentences:

1、 Hěnduō wàiguó rén shì tōngguò diànyǐng zhīdào gōngfu gāoshǒu Chéng Lóng de.
很多外国人是通过电影知道功夫高手成龙的。
Many westerners knew Jackie Chan, a kung-fu master, through his movies.

2、 Wǒ de línjū shì gè diànnǎo gāoshōu, tā jīngcháng bāng wǒ jiějué diànnǎo wèntí.
我的邻居是个电脑高手，他经常帮我解决电脑问题。
My neighbor is a computer whiz who often helps me with my computer problems.

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