cooperation; coordination; link
headquarters; head office; main office
guard; sentinel; garrison
rough; casual (clothing); rough (of a golf course); rough sketch; rough draft
going to and fro; back and forth
the most; the best; peerless; the greatest; first-rate
one-sided; unilateral; arbitrary
fort; fortress; stronghold; fortification
coworker; co-worker; colleague; associate
opening and shutting; opening and closing
making a round trip; going and returning; round-trip ticket; return ticket; correspondence; exchanging (letters)
excellence; superiority; preeminence; prevalence
classical form of martial art
deed; act; work; performance
humour; humor; safety; health; in a good mood; in high spirits
staying the night; lodging (at)
one copy (of a document); one letter; one-way traffic; pure straight; winning hand containing nine consecutive tiles of the same suit (i.e. 1-9)
stamp (postage); merchandise certificate
postmark; (postal) cancellation mark
to get between; to be caught in
patch; patching; join; joining; successor; heir
date (with someone); (social) outing (for two); date night; date (day)
to be confused; to be bewildered; to be taken aback
to become independent; to leave one's hands; to leave one's possession
tightly (hold, squeeze, etc.); firmly; forcefully (e.g. push); hard
shadow or cloud (e.g. on someone's happiness); shade; gloom
to give (someone) a treat; to be extravagant; to live luxuriously; to be proud; to be haughty
retiring from military service
memorial day; commemoration day; anniversary
confession; acknowledgement; confession of love; professing one's feelings; confession of sins (e.g. the confessional)
fate; destiny (esp. as a mysterious force that binds two people together); relationship (e.g. between two people); bond; family ties; affinity; opportunity
to meet fortuitously (e.g. running into an old friend); to meet by chance; to happen across
(a) little; somewhat; somehow