10.to keep sb happy
(entertain)让某人感到高兴；令某人开心
The swings and seesaw should keep the kids happy after they finish building sandcastles.孩子们堆完沙堡之后, 荡秋千、玩跷跷板应该会让他们开心的。
Bobcat, coyote, bear and deer are frequently seen, with a variety of wildfowl to keep birdwatchers happy.短尾猫、丛林狼、熊和鹿都很常见, 还有各种各样的野禽让观鸟者们大饱眼福。
(satisfy)使某人满意
Its assets are valued at between £750m and £1 billion, sufficient to keep the banks happy.其资产价值在7.5亿英镑和10亿英镑之间, 足以让银行感到满意了。