poignant

Evoking a keen sense of sadness or regret; deeply moving; emotionally touching.

• poignancy/ˈpɔɪnjənsi/(n)心酸
• poignantly(adv)令人心酸地

• poignant moment
• poignant reminder
• poignant scene
• particularly poignant
• poignant story

1. 1.The photograph of the child standing alone amid the ruins was one of the most poignant images of the war. (deeply moving)
2. 2.It was a poignant reminder that time waits for no one — they had returned to find the family home demolished. (emotionally sharp)

• moving/ˈmuːvɪŋ/— arousing emotion — more general
• touching/ˈtʌtʃɪŋ/— arousing tenderness — warmer
• heartrending/ˈhɑːrtrɛndɪŋ/— causing overwhelming sadness — stronger

from Old French "poignant" (sharp, stinging) — "poindre" (to prick) from Latin "pungere" (to prick, to sting) — something that pricks the emotions