Analyzer
Sentence analysis
7Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
夙夜、
from morning till night; day and night; alwaysnoun, adverb
研究
research; study; investigationnoun, suru verb
に
direction, time, indirect object, or target markergrammar
励ん
work hard; strive; devote oneself-> 励むgodan verb
だ。
past tense or completed action-> たgrammar