保守

In a sentence

• その機械の保守が毎月行われています。

  The maintenance of that machine is conducted monthly.

  Here, '保守' is used to indicate the maintenance and servicing of equipment or machines.

• 彼の意見は保守的すぎると感じました。

  I felt that his opinion was too conservative.

  In this sentence, '保守' is part of the adjective '保守的', which means 'conservative', referring to ideas or attitudes favoring traditional norms or practices.

• ネットワークシステムの保守契約を検討しています。

  We are considering a maintenance contract for the network system.

  This example uses '保守' in a business context to refer to maintenance agreements or plans for systematic maintenance.