Collins Chinese Dictionary Plus (3rd edition), 2011:
hush [hʌʃ]
I int
嘘(噓) xū
II vi
(=be quiet) 安静(靜)下来(來) ānjìng xiàlái
III vt
(=quieten) 使安静(靜) shǐ ānjìng
IV n
▶ a hush fell over the crowd 人群顿(頓)时(時)一片寂静(靜) rénqún dùnshí yīpiàn jìjìng
hush up vt
[+ scandal etc] 不让(讓)张(張)扬(揚) bù ràng zhāngyáng