Tra từ strengthen - Từ điển Oxford Advanced Learner 8th

strength·en [strengthen strengthens strengthened strengthening] BrE [ˈstreŋθn] NAmE [ˈstreŋθn] verb intransitive, transitive
to become stronger; to make sb/sth stronger
•Her position in the party has strengthened in recent weeks.
•Yesterday the pound strengthened against the dollar.
•The wind had strengthened overnight.
•The fall in unemployment is a sign of a strengthening economy.
•~ sb/sth Repairs are necessary to strengthen the bridge.
•The exercises are designed to strengthen your stomach muscles.
•The move is clearly intended to strengthen the President's position as head of state.
•The new manager has strengthened the side by bringing in several younger players.
•Their attitude only strengthened his resolve to fight on.
•The new evidence will strengthen their case.
•The experience of bereavement can strengthen family ties.
Opp: ↑weaken
Verb forms:

Thesaurus:
strengthen verb I, T
•Repairs are necessary to strengthen the bridge.
•Their attitude only strengthened his resolve to fight on.
reinforce • • bolster • • cement • • shore sth up •
Opp: weaken
strengthen/reinforce a view
strengthen/bolster/cement the case (for sth)
strengthen/bolster/shore up the economy

Example Bank:
•The move is clearly intended to strengthen the President's position as head of state.
•The new law is aimed at strengthening protective measures for workers.
•The success in the election strengthened the party's position considerably.
•This merger will further strengthen the company and ensure its continued success.
•This temporary setback merely strengthened her resolve.