この病気は初期には痛みを自覚しないことが多い。
With this disease, people often feel no pain in the early stages.
疲れを自覚したときには、すでに熱が出ていた。
By the time I noticed I was tired, I already had a fever.
本人に自覚はないが、検査で異常が見つかった。
The patient had noticed nothing wrong, but the test found an abnormality.