美国习语800句—73. buckle down & 74. buddy-buddy

美国习语800句—73. buckle down & 74. buddy-buddy

2017-07-16    03'05''

主播: 新XIN越YUE

335 6

介绍:
73.buckle down – study or work very hard. Last semester his grades were very low, so this year he decided to 74.buckle down. buddy-buddy – very friendly. She’s gotten to be very buddy-buddy with her boss.