cement：to make a relationship, idea etc stronger or more certain
Collective goals can help cement solidarity.
“cement“作为名词，表示“水泥”，作为动词可以表示“把...粘合”，常常被引申为表示“巩固” “加强”。和同样可以表示“巩固” “加强”的表达来说，比如 'consolidate' 'make something stronger' ，cement 更富有画面感。
后面可以跟：relationship, friendship, tie, bond, connection
Shared values and experiences can cement a bond.
Republicans won statehouses that Democrats had held for decades; in several competitive states they cemented their hold on power through gerrymandering.（'they cemented their hold on power through gerrymandering' 表示“他们（民主党）通过改划选区加强了他们对权利的掌控”）。
1）The gossip can cement people’s friendship quickly.
参考翻译：The exchange of gossip can efficiently cement a friendship.
参考答案用了efficiently 比quickly更高级（……）
2）The adventure in the jungle cemented the friendship between John and Sally.
The reform and opening up cemented a connection between China and the US.
