tuī​cè HSK7

speculate

推测 (推測) tuī​cè
speculate verb
to infer, conjecture, or surmise based on available evidence or logical reasoning

Based on existing clues, experts speculate that the cause of the accident might be a mechanical failure.

speculation verb
a conclusion, theory, or conjecture reached through the process of reasoning

Most current talk about his resignation is still just subjective speculation.

Frequency

Movie subtitles
12.5 per million appears in 5% of films
Written text
9.15 per million

Details

HSK 2.0
Level 6
HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT