(of the way in which something is wound) all rolled up / (of the way in which something is wound) like a ball / (of the way in which something is wound) round and round / (of the way in which something is wound) all coiled up
くるくる
kurukuru
くるくる JD1
(of the way in which one works) hard / (of the way in which one works) like a beaver / (of the way in which one works) unceasingly
くるくる
kurukuru
くるくる JD1
round / round-eyed <eye>
くるしい
kurushii
苦しい JAJ
hard / difficult / tough / troubled / strained
くるしまぎれ
kurushimagire
苦しまぎれ JN1
くるしまぎれ
kurushimagire
苦し紛れ JN1
*doing out of desperation / *doing in desperation / driven into a corner / driven by pain / driven by distress