to look in all directions (idiom); to glance around
东 · 5 strokes
Pictograph of a basket or a bag. The current meaning "east" is a phonetic loan. The simplified character 东 was adapted from the cursive form of the traditional character 東.
张 · 7 strokes
Simplified form of 張. Phonosemantic compound. 弓 represents the meaning and 長 represents the sound.
西 · 6 strokes
西 was written two different ways in ancient scripts: (1) a pictograph of a bird's nest, and (2) a variant of the phonetically similar 囟.
望 · 11 strokes
Pictograph of a person standing up (𡈼) and gazing at the moon (月). 亡 is a sound component.
上课时要专心,不要东张西望。
Pay attention in class and don't look around.