はしきりに

repeatedly

→ は
phrase Rare #39,486
repeatedly は marks the topic; しきりに means repeatedly or persistently, often with strong intent or feeling.
JA: 彼はしきりに時計を見た。
EN: He kept checking his watch.

兄はしきりに名声を望んでいる。

My older brother is constantly longing for fame.

トムはしきりに謝った。

Tom kept apologizing.