VERB
加強，強化（政策、規章或懲罰）；使強硬
If a person, institution, or law toughens its policies, regulations, or punishments, it makes them firmer or stricter.
例句
Talks are under way to toughen trade restrictions...
加強貿易限制的會談正在進行中。
They have put considerable pressure on the Government to toughen its stance…
他們已對政府施加了相當大的壓力，要求其采取強硬立場。