擅 sin⁶ {shàn}

1. without authority
2. to usurp
3. to arrogate to oneself
4. to monopolize
5. expert in
6. to be good at

擅場〔-场〕 sin⁶ coeng⁴ {shàn chǎng}

1. to excel in some field
2. expert at sth

擅長〔-长〕 sin⁶ coeng⁴ {shàn cháng}

1. to be good at
2. to be expert in

擅闖〔-闯〕 sin⁶ cong² {shàn chuǎng}

1. to enter without permission
2. to trespass

擅斷〔-断〕 sin⁶ dyun⁶ {shàn duàn}

arbitrary

擅權〔-权〕 sin⁶ kyun⁴ {shàn quán}

to arrogate power

擅美 sin⁶ mei⁵ {shàn měi}

1. to enjoy fame without sharing it
2. to take the credit

擅自 sin⁶ zi⁶ {shàn zì}

1. without permission
2. of one's own initiative

擅離職守〔-离职-〕 sin⁶ lei⁴ zik¹ sau² {shàn lí zhí shǒu}

1. to abscond
2. to be absent without leave