If the other person does mention his family, then it is perfectly OK to ask about the ages of the children, and if you have children, to compare educational and cultural differences in raising children.
It's a comparison of setting the white balance to "auto" versus presetting it with white copy paper.
ホワイトバランスをオートにした場合と白いコピー用紙でプリセットした場合の比較です。
Compare the style of those three letters.
それら三通の手紙の文体を比較しなさい。
Solar energy seems to offer more hope than any other source of energy, particularly because those areas most in need of water lie rather close to the equator and have a relatively clear atmosphere.
Compare your sentence with the one on the blackboard.
君たちの文を黒板の文と比較しなさい。
There's a comparatively large cinema complex inside the mall.
モールの中に、比較的大きなシネコンがある。
Compare your paper with the model one.
あなたの答案を模範答案と比較しなさい。
Comparative studies now made rapid progress.
比較研究が今や急速に進歩した。
Compare this genuine jewel with that imitation.
この本物の宝石とその偽物とを比較してみなさい。
Compare the style of those letters.
それらの手紙の文体を比較しなさい。
The region is relatively rich in mineral resources.
その地域は鉱物資源が比較的豊かだ。
We measured the electricity used during air cooling in the same way as heating, and compared the old model air conditioner to the energy conservation (2001) model.
暖房と同様に、冷房時の消費電力量を測定し、旧型と省エネ型(2001年製)のエアコンを比較しました。
Nothing is to be compared to its beauty.
何もその美しさとは比較にならない。
Evidence that the above example is farfetched can be seen by comparing the total occurrences of component X.
上の例が不自然であることの証拠は、構成要素Xが現れた総数を比較することでわかる。
Compare the translation with the original.
訳文を原文と比較しなさい。
He compared his car to the new model.
彼は自分の車を新型自動車と比較してみた。
The teacher compared my poem with one of his.
先生は私の詩と彼の詩を比較した。
This furniture is superior beyond comparison.
この家具のほうが比較にならないほど上等である。
Don't compare your children with others.
自分の子を他人の子と比較するな。
Compared to many other countries, the average intake of trans-fats per person in Japan is low and it is hypothesized that it does not have a strong impact on health.