林先生是研究所的副所长。Mr Lin is associate director of the Institute.他是个板球运动员, 体操非其所长.As a cricketer, gymnastics is out of his domain.他成了威廉国王的物理理论研究所的所长.He became the head of the Kaiser Whilhem Institute of Theoretical Physics....

“所长”的拼音为：suǒ cháng...

“所长”的英语可以翻译为：what one is good at，one's strong point，one's forte...