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to toughen
01
強化する, 硬化させる
to make something stronger
02
強化する, 厳しくする
to make something such as a rule or policy stronger
Transitive
toughen
v
tough
adj
toughened
adj
toughened
adj
例
Living in a harsh environment can toughen people mentally and emotionally.
Parents may toughen their children by teaching them responsibility and independence.
Regular exercise will toughen your muscles and improve your endurance.
The new regulations aim to toughen safety standards in the construction industry.
The coach implemented rigorous training drills to toughen the team before the championship.
