隱< Obscure, Dark, Dim, Hidden, Not evident, Not obvious, Unseen, Painful, Grievous, Destitute, Poor, Retire, Parable, Riddle, Metaphor, Examine, Study

Dark, Destitute, Dim, Examine, Grievous, Hidden, Metaphor, Not evident, Not obvious, Obscure, Painful, Parable, Poor, Retire, Riddle, Study, Unseen

約< Agree, Bind, Appointment, About, Around, Approximately, Make an appointment, Agreement, Contract, Rendezvous, Engagement, To reduce in math, Restrain, Vague

About, Agree, Agreement, Appointment, Approximately, Around, Bind, Contract, Engagement, Make an, Rendezvous, Restrain, To reduce, Vague

隱約 yinˇ yue ˉ