"If you ever get married, which seems to be extremely problematic"
"a baffling problem" "I faced the knotty problem of what to have for breakfast" "a problematic situation at home"
problematic是什么意思
problematical是什么意思
problematique是什么意思
problemist是什么意思
proboscidean是什么意思
proboscidian是什么意思
proboscis是什么意思
procaine是什么意思
procambium是什么意思
procarp是什么意思