眼皮子底下

1. • right in front of sb's eyes
2. • right under sb's nose
3. • current
4. • at the moment

Character by character

• 眼(yǎn)eye
• 皮(pí)surname Pi
• 子(zi)noun suffix, as in 椅子 yǐzi "chair"
• 底(dǐ)bottom
• 下(xià)down