I begin tucking him into bed and he tells me: “Daddy, check for monsters under my bed.” I look under the bed and see him, another him, staring at me, quivering and whispering: “Daddy, there’s somebody on my bed.
tuck into bed - укладывать спать
check for - проверить
stare - пялиться, глазеть
quiver and whisper - дрожать и шептать