public spoon &&serving spoon 

Actually public spoon and serving spoon are the same thing, and serving spoon is better, public spoon sounds like Chinglish 

watch 

1 I bought a watch from Amazon five years ago, it’s still run accurately

2 I watched a movie about dogs last week

3 I have my roommate help me watch my cat when I have gone

4 watch out for running cars when you are crossing the street    

pour 

My grandfather is pouring the tea from the teapot into the teacup

it’s really hot outside, the sweat is pouring off my face

downpour  heavy rain

the fields were filled with flood after a downpour, a farmer cried for a whole day for his losses of the watermelon cracked