chénchén
ㄔㄣˊ ㄔㄣˊ
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
我感覺昏昏沉沉的。
wǒ gǎnjué hūnhūnchénchén de
I feel lethargic.
Keep 沉沉 and it comes back until you know it.