Correct

猝死

/ cùsǐ / 
Strokes

Definition

sudden death (in medicine, sporting competitions etc)

Example

As a Verb

suffer a sudden death

1
Yīngér
婴儿
cùsǐ
猝死
zōnghézhēng
综合征

sudden infant death syndrome (SIDS)

2
Yīngér
婴儿
cùsǐ
猝死

cot/crib death