Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
分野
field; area; domain; branchnoun
を
object markergrammar
熟知
know well; be thoroughly familiar withnoun, suru verb
し
light/support verb with a noun or noun-like phrase-> するgrammar
ている。
ongoing or resultant stategrammar