The delicate surgical operation took five hours.

这精细的外科手术花了五个小时。

《牛津词典》

The delicate surgical manipulation is the key to successful operation.

细致的手术操作是模型成功的关键。

youdao

The Nobel committee said the book "is like a surgical operation on one of the most delicate parts of the social body."

VOA: special.2009.03.13

"Despite his delicate state of health following the complex surgical operation on 11 December, over the past few days the general medical evolution has been favourable and the president is strictly following medical treatment, " said Information Minister Ernesto Villegas, reading from a statement.

BBC: Venezuela President Hugo Chavez in 'favourable' health