kāi tong
to open up (windows for air, ideas for discussion, transport routes etc)
open-minded
hé tong
(business) contract
CL:個|个[ge4]
láo dòng hé tong
labor contract
contract between employer and employees governing wages and conditions
tòng tong kuài kuài
immediately
without a moment's hesitation
with alacrity
firing from the hip
hé tong gè fāng
parties to a contract (law)
yān tong
chimney
stovepipe
smokestack