形容詞 weak:

1. having little physical or spiritual strength
   同義詞：weak
2. overly diluted; thin and insipid
   同義詞：watery, washy, weak
3. used of vowels or syllables; pronounced with little or no stress
   同義詞：unaccented, light, weak
4. having the attributes of man as opposed to e.g. divine beings
   同義詞：fallible, frail, imperfect, weak
5. tending downward in price
   同義詞：weak
6. deficient or lacking in some skill
   同義詞：weak
7. lacking physical strength or vitality
   同義詞：decrepit, debile, feeble, infirm, rickety, sapless, weak, weakly
8. (used of verbs) having standard (or regular) inflection
   同義詞：weak
9. not having authority, political strength, or governing power
   同義詞：weak
10. deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc
    同義詞：faint, weak
11. likely to fail under stress or pressure
    同義詞：weak
12. deficient in intelligence or mental power
    同義詞：weak

1. He is, if anything, a little weaker today.
   他今天身體反而比較弱一點。
2. Strong animals prey upon weaker ones.
   弱肉強食。
3. Woman is physically but not mentally weaker than man.
   女子在體力上而不是智力上比男子弱。
4. It's wise to assign special exercises to the weaker students.
   給那些身體較弱的學生安排一些特殊的運動是明智的。