adj. 不自以为是，能够接受别人意见, open-minded, modest

v. 休息, 过清闲生活, have a leisure life

study, area, school subject, science, subject field, subject, course, subject area, discipline, branch of learning, course of study, field of study, branch of knowledge, field

academic, literate, pandit, letters, litterateur, learned person, literati, philomath, pundit, academician, faculty member, scholar, bookman, clerk, student, scholarly person, man of letters, man of learning, speleologist, doctor, clerisy, initiate, swami, punditry, savant, learned man, sophist

预先交给对方作为保证的钱

go (of vehicles/boats/etc.)