to buckle down
01
认真工作, 埋头苦干
to work hard in order to achieve a goal
语法信息
形态构成
短语
动作动词
规则
不可分离
小品词
down
基本动词
buckle
现在时
buckle down
第三人称单数
buckles down
现在分词
buckling down
一般过去时
buckled down
过去分词
buckled down
例子
The students were encouraged to buckle down and prepare for the exam.
学生们被鼓励加紧努力，为考试做准备。
02
扣紧, 牢固固定
to securely fasten something in place
例子
The instructor reminded the students to buckle down their backpacks during the field trip.
教练提醒学生们在实地考察期间扣紧他们的背包。
