in a few words (idiom); expressed succinctly
三 · 3 strokes
Three horizontal strokes, representing the number three.
言 · 7 strokes
Pictograph of a tongue (舌) sticking out of a mouth. In old scripts 言 was written the same as 舌 but with an extra line.
两 · 7 strokes
Simplified form of 兩. Combination of two 丙 characters. 丙 also represents the sound.
语 · 9 strokes
Simplified form of 語. Phonosemantic compound. 言 represents the meaning and 吾 represents the sound.
三言两语说不清楚,我们还是坐下来慢慢谈。
A few words can't explain it clearly; let's sit down and talk it over.