n. a musical notation indicating one half step higher than the note named
n. a long thin sewing needle with a sharp point
s. harsh
a. keenly and painfully felt; as if caused by a sharp edge or point
n. 半升音调, 利刃, 骗子
a. 锋利的, 明显的, 敏锐的, 急剧的, 尖刻的, 严厉的, 刺耳的, 精明的
adv. 锐利地, 急速地
1. She has a sharp mind and solves problems quickly.
她头脑灵活，能迅速解决问题。
2. Be careful with that knife; it is very sharp.
小心那把刀，它非常锋利。
3. The weather became sharp and cold in the evening.
晚上的天气变得寒冷刺骨。