How would I say "I will get laughed at"?
"我會被人笑" - "I will get laughed at "

"我會被人笑話" - "I will be joked at"

“我會被人取笑” - "I will be made fun of" 

“我會被人耻笑” - "I will be ridiculed"

Edit:

Add '嘲笑' (to ridicule)(as TXV  suggested) and 譏笑 ( to sneer at; to mock; to ridicule)

“我會被人嘲笑” - "I will be ridiculed"

“我會被人譏笑” - "I will be ridiculed"