刀, a pictographic character of a knife, serves as a semantic component to form characters. Characters formed by the semantic component 刀 express meanings related to the knife, such as 刮, 剃, 删, 削, 剖, 利, 罚, 别, 辨, 割, etc. 刀 also serves as a phonetic component to form characters such as 叨.
爱的勇气
时间煮雨
空白格
知音难觅
“知音难觅/知音難覓。A faithful friend is hard to find.”