Apple(-)polisher خود شیرین
An example of someone who is an apple polisher is someone who will compliment her boss's taste in clothes despite the fact that she truly dislikes his style.
"My classmate Sarah is a big apple-polisher"
to apple-polish (verb)
intransitive verb خودشیرینی کردن
: to attempt to ingratiate oneself : toady
transitive verb برای کسی خودشیرینی کردن
: to curry favor with (as by flattery),To support slavishly every opinion or suggestion of a superior:
-He started apple-polishing the captain as soon as he got on board
Other idioms: curry favor, dance attendance, kiss someone's feet, lick someone's boots.