到
dào
The instant the arrowhead touches: 到
The picture A flying arrow's tip finally touching the target and stopping there.
Where the picture shows up in 到
-
your body touched the place
我到公司了。
wǒ dào gōngsī le
I'm at the office.
-
when does it touch down
火车几点到？
huǒchē jǐ diǎn dào
What time does the train get in?
-
reaching the far end of the time
我从九点工作到六点。
wǒ cóng jiǔ diǎn gōngzuò dào liù diǎn
I work from nine to six.
-
it never reached your ear
不好意思，我没听到。
bù hǎoyìsi, wǒ méi tīngdào
Sorry, I didn't catch that.
听 is aiming your ear; 听到 is the sound actually landing in it. If you listened but nothing landed, it's 没听到.
-
your hand touched what you were after
钥匙找到了吗？
yàoshi zhǎodào le ma
Did you find the keys?