What does 丝毫 (sī háo) mean in English?

Card 914HSK 2010 Level 5914/1311
CARD914
PROGRESS70%
丝毫
絲毫
sī háo
the slightest amount or degree; a bit

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d