From Longman Dictionary of Contemporary Englishunder somebody’s watchful eyeunder somebody’s watchful eyefollowing someone’s instructions or with someone’s help Learn the basics under the watchful eye of a qualified instructor. → watchful
Examples from the Corpus
under somebody’s watchful eye• Although its voluntary recruits diminished, the order had managed to limp on for nearly two centuries under Ixmarity's watchful eye.• She felt absolutely helpless and extremely vulnerable standing completely unclothed under his watchful eyes.• Voice over Back at the Young Telegraph, their final copy is put together under the watchful eye of a full-time reporter.• No such extravagance here, as under the watchful eye of Asquith, he launched into some of his best known songs.• Thwarted, he then embraced her stiffly before taking the baby in his arms under the watchful eye of his wife.• Today, the Reichardt duck farm is run under the watchful eye of Jim Reichardt, great grandson of the original founder.• The second best is under the watchful eye or with the help of a relative.• Amelia learned stunting under his watchful eye, to become competent in the air no matter what the conditions. 