weak

弱い

力や能力、影響力が少ない。

やさしい英語で： Having little strength, power, or ability.

• I feel weak today.
• Her voice was weak after the illness.
• The signal is too weak to make a call.

使い方： too weak to do something (He was too weak to lift the box.)

類義語： feeble, frail

反対語： strong

よく使う表現： feel weak, weak muscles, weak signal

薄い

水を入れすぎた場合などに、味や効果が弱い。

やさしい英語で： Having little taste or effect, often because too much water has been added.

• This tea is weak.
• He made some weak coffee for breakfast.
• Use a weak soap solution to clean the leaves.

類義語： dilute, watery

反対語： strong, concentrated

よく使う表現： weak tea, weak coffee, weak solution

もろい、弱い

重さや圧力がかかると、壊れたり役に立たなくなったりしやすい。

やさしい英語で： Likely to break or fail under weight or pressure.

• The rope is weak.
• A weak beam caused the roof to fall.
• They replaced the weak boards before anyone used the bridge.

使い方： too weak to support something (The shelf is too weak to support these books.)

類義語： flimsy, fragile

反対語： strong, sturdy

よく使う表現： weak rope, weak bridge, weak structure

意志が弱い、流されやすい

自分の欲望や他人の要求に抵抗できず、流されやすい。

やさしい英語で： Unable to resist what you want or what other people ask you to do.

• He has a weak will.
• My resolve was weak when she offered me cake.
• The manager was too weak to resist their pressure.

類義語： weak-willed, spineless

反対語： strong-willed, resolute

よく使う表現： weak will, weak character, weak resolve

つまらない、ダサい

出来が悪く、退屈だったり魅力がなかったりする。

やさしい英語で： Bad, boring, or not impressive.

• That joke was weak.
• The party was pretty weak, so we left.
• That's a weak excuse for missing my birthday.

類義語： lame, bad, uncool

反対語： cool

よく使う表現： pretty weak, weak joke, weak excuse