轻微透支
Overdrawn by a small amount.
小额透支。
有点透支
Overdrawn to a noticeable but not large degree.
透支到一定程度但数额不大。
账户透支
To have a negative balance in a bank account.
银行账户余额为负。
To enter a state where your bank account has a negative balance.
进入银行账户为负数的状态。
保持透支状态
To continue to have a negative balance in a bank account.
持续保持银行账户为负数的状态。