不 即 不 離 bù jí bù lí : be neither too familiar nor too distant; keep sb at arm's length

老 «耂» lǎo : (a prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family to indicate affection or familiarity); old (of people)

Big5: , Unicode: 8001 (老),
Links: MT, Cantonese, Ld, Chinese Language

密 切 mì qiē : close; familiar; intimate; frequent

暱 nì : familiar; to approach

Big5: , Unicode: 66b1 (暱),
Links: MT, Cantonese, Ld, Chinese Language

昵 nì : familiar; to approach

Big5: , Unicode: 6635 (昵),
Links: MT, Cantonese, Ld, Chinese Language

親 切 qīn qiè : amiable; friendliness; gracious; hospitality; intimate; cordial; kind; close and dear; familiar

認 識 rèn shi : be acquainted with (a person); to know; to be familiar with; to recognize

熟 shú : familiar; skilled; ripe; done; ripe; cooked

Big5: , Unicode: 719f (熟),
Links: MT, Cantonese, Ld, Chinese Language