遵守

Players must behave well on court.

hold sb to his promise

keep the agreement to the letter

ensure the compliance of the law

submit to restraint

observe the One-China Policy

comply with an agreement; live up to an agreement; respect an agreement

observe the speed limit

conform to customs

adhere to a treaty

be on time; be punctual

honour human rights

live up to the principle of equal rights

observe the guidelines/principles of equality and mutual benefit

abide by one's promise; fulfil/observe/honour one's commitment; commit oneself to a promise; comply with commitments; stand by one's promise; keep to one's pledge

observe the proprieties

comply with the resolution

observe traffic regulations; be observant of the traffic rules

observe discipline

keep a contract; live up to one's contract

abide by a rule/a contract/an agreement

observe public order

abide by the law; comply with the law; adhere to the law